/* ===== TransX CLI — 单页深色科技风 ===== */

:root {
  --bg: #f3f6fb;
  --bg-soft: #ffffff;
  --bg-card: #ffffff;
  --border: #d7deea;
  --border-soft: #e7ebf2;
  --text: #10203c;
  --text-dim: #5d6c86;
  --text-mute: #8c98ab;
  --accent: #286fe8;
  --accent-dim: #205ab8;
  --accent-glow: rgba(40, 111, 232, 0.11);
  --lime: #a8ef35;
  --terminal: #101c2c;
  --terminal-deep: #07101d;
  --terminal-text: #eaf0fa;
  --terminal-dim: #9babbe;
  --danger: #ff5e5b;
  --orange: #ff8c42;
  --page-gradient:
    radial-gradient(circle at 10% 8%, rgba(62, 126, 237, 0.18), transparent 32%),
    radial-gradient(circle at 88% 16%, rgba(168, 239, 53, 0.13), transparent 30%),
    linear-gradient(135deg, #edf3ff 0%, #f8faff 48%, #f1f8ed 100%);
  --mono: "Cascadia Code", "SFMono-Regular", "JetBrains Mono", Consolas, monospace;
  --display: "Bahnschrift", "Avenir Next Condensed", "PingFang SC", "Microsoft YaHei", sans-serif;
  --body: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  min-height: 100%;
  background: #edf3ff;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background: var(--page-gradient);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.docs-page,
.skills-page {
  overflow-y: auto;
  scrollbar-gutter: stable;
}

.docs-page::-webkit-scrollbar,
.skills-page::-webkit-scrollbar { width: 10px; }
.docs-page::-webkit-scrollbar-track,
.skills-page::-webkit-scrollbar-track { background: rgba(225, 233, 246, 0.78); }
.docs-page::-webkit-scrollbar-thumb,
.skills-page::-webkit-scrollbar-thumb {
  border: 2px solid rgba(225, 233, 246, 0.78);
  border-radius: 999px;
  background: rgba(91, 116, 155, 0.52);
}

.home-page {
  height: 100vh;
  overflow: hidden;
}

a { color: inherit; text-decoration: none; }
code, pre { font-family: var(--mono); }

/* ===== 顶栏 ===== */

.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 56px;
  padding: 0 4vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-soft);
  z-index: 100;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font: 800 16px/1 var(--display);
  letter-spacing: 0.03em;
}

.logo-icon {
  display: grid;
  place-items: center;
  width: 28px; height: 28px;
  background: var(--lime);
  color: #10203c;
  border-radius: 7px;
  font: 800 10px/1 var(--mono);
}

.logo-text { color: var(--text); }

.topnav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.topnav a {
  padding: 8px 14px;
  border: 0;
  background: transparent;
  color: var(--text-dim);
  font: 600 13px/1 var(--body);
  cursor: pointer;
  border-radius: 7px;
  transition: all 0.15s ease;
}

.topnav a:hover { color: var(--text); }

.topnav a.active {
  color: var(--accent);
  background: var(--accent-glow);
}

/* ===== 主页 Hero ===== */

.home-main {
  height: 100vh;
  min-height: 0;
  padding: 56px 4vw 16px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(40, 111, 232, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(40, 111, 232, 0.045) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
  pointer-events: none;
}

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}

.glow-left {
  width: 500px; height: 500px;
  background: rgba(74, 144, 255, 0.13);
  top: -100px; left: -150px;
}

.glow-right {
  width: 400px; height: 400px;
  background: rgba(168, 239, 53, 0.12);
  bottom: -100px; right: -100px;
}

.hero-copy {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: clamp(22px, 4vh, 42px) 0 clamp(16px, 2.5vh, 28px);
}

.hero-copy h1 {
  font: 800 clamp(38px, 6.5vw, 68px)/0.95 var(--display);
  letter-spacing: -0.04em;
  color: var(--text);
}

.hero-copy h1 em {
  color: var(--accent);
  font-style: normal;
}

.subtitle {
  margin-top: 14px;
  color: var(--text-dim);
  font-size: clamp(15px, 2.5vw, 19px);
}

/* ===== 笔记本终端 ===== */

.hero-stage {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(12px, 2vh, 22px);
  max-width: 640px;
  margin: 0 auto;
}

.laptop {
  width: 100%;
  perspective: 1000px;
}

.laptop-frame {
  background: linear-gradient(145deg, #27364d, #152238);
  border: 1px solid #34455f;
  border-radius: 14px 14px 4px 4px;
  padding: 10px;
  box-shadow:
    0 0 0 1px rgba(184, 255, 57, 0.05),
    0 40px 100px rgba(0, 0, 0, 0.5),
    0 0 120px rgba(184, 255, 57, 0.04);
}

.laptop-screen {
  --text: var(--terminal-text);
  --text-dim: var(--terminal-dim);
  --text-mute: #65758a;
  --border: #34455f;
  --border-soft: #26364c;
  --accent: var(--lime);
  --bg: var(--terminal-deep);
  --bg-soft: #142236;
  background: var(--terminal-deep);
  border-radius: 8px 8px 2px 2px;
  overflow: hidden;
}

.term-bar {
  height: 36px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-soft);
  color: var(--text-mute);
  font: 11px/1 var(--mono);
}

.term-dots { display: flex; gap: 6px; }
.term-dots i { width: 8px; height: 8px; border-radius: 50%; background: var(--border); }
.term-dots i:first-child { background: var(--danger); }
.term-dots i:nth-child(2) { background: #f4d03f; }
.term-dots i:nth-child(3) { background: var(--accent-dim); }

.term-body {
  padding: 12px 18px;
  font: 10px/1.18 var(--mono);
  text-align: left;
  min-height: 246px;
}

.term-session {
  color: var(--terminal-text);
  font: inherit;
  white-space: pre;
  overflow: hidden;
}

.term-logo { color: #4170ff; font-weight: 700; }
.term-bright { color: var(--terminal-text); }
.term-muted { color: var(--terminal-dim); }
.term-border { color: #536497; }
.term-accent { color: var(--lime); }

.term-title {
  color: var(--accent);
  margin-bottom: 16px;
  font-size: 14px;
}

.term-tutorial {
  padding-left: 18px;
  color: var(--text-dim);
}

.term-tutorial li { margin-bottom: 8px; }
.term-tutorial code {
  color: var(--accent);
  font-size: 12px;
  background: var(--bg-soft);
  padding: 2px 6px;
  border-radius: 4px;
}

.term-prompt { color: var(--accent); margin-top: 16px; }
.cursor { animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

.laptop-base {
  width: 110%;
  height: 8px;
  margin-left: -5%;
  background: linear-gradient(145deg, #27364d, #152238);
  border-radius: 0 0 12px 12px;
  border: 1px solid var(--border);
  border-top: 0;
}

/* ===== 安装卡片 ===== */

.installer-card {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: clamp(16px, 2.4vh, 22px);
  box-shadow: 0 18px 48px rgba(32, 61, 104, 0.09);
}

.install-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.install-tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  background: var(--accent);
  color: #ffffff;
  border-radius: 999px;
  font: 700 11px/1 var(--body);
  letter-spacing: 0.02em;
}

.install-meta {
  color: var(--text-mute);
  font: 500 12px/1 var(--body);
}

.install-command {
  --text: var(--terminal-text);
  --text-dim: var(--terminal-dim);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  background: var(--terminal);
  border: 1px solid #273952;
  border-radius: 10px;
}

.install-command .prompt {
  color: var(--accent);
  font: 700 14px/1 var(--mono);
  user-select: none;
}

.install-command code {
  flex: 1;
  font: 14px/1.4 var(--mono);
  color: var(--terminal-text);
  overflow-x: auto;
  white-space: nowrap;
}

.copy-btn {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 68px;
  min-width: 68px;
  height: 32px;
  padding: 0 14px;
  border: 0;
  border-radius: 6px;
  background: #3d82ed;
  color: #ffffff;
  font: 700 12px/1 var(--body);
  white-space: nowrap;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.copy-btn:hover {
  background: #286bd6;
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(40, 107, 214, 0.24);
}

.copy-btn.copied,
.copy-btn.copied:hover {
  background: #17a454;
  color: #ffffff;
  transform: translateY(0);
  box-shadow: 0 6px 16px rgba(23, 164, 84, 0.22);
}

.install-hint {
  margin-top: 12px;
  color: var(--text-mute);
  font-size: 12px;
  text-align: center;
}

.install-hint code {
  font: 600 12px/1 var(--mono);
  color: var(--accent);
  background: transparent;
}

/* ===== 工具文档视图 ===== */

.docs-layout {
  margin-top: 56px;
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  min-height: calc(100vh - 56px);
  width: 100%;
  border-top: 1px solid rgba(184, 255, 57, 0.08);
}

.docs-nav {
  position: sticky;
  top: 56px;
  height: calc(100vh - 56px);
  padding: 38px 28px;
  border-right: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(18px);
  box-shadow: 14px 0 38px rgba(38, 58, 92, 0.05);
  z-index: 2;
  overflow-y: auto;
}

.docs-nav-title {
  color: var(--text);
  font: 750 18px/1 var(--display);
  letter-spacing: -0.02em;
  margin-bottom: 22px;
}

.docs-nav-group {
  margin: 20px 0 6px;
  color: var(--text);
  font-size: 12px;
  font-weight: 750;
}

.docs-nav a {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 8px;
  padding: 8px 10px;
  color: var(--text-dim);
  border-radius: 7px;
  font-size: 13px;
  transition: color 0.15s ease, background 0.15s ease;
}

.docs-nav a span { color: var(--text-mute); font: 10px/1.8 var(--mono); }

.docs-nav a:hover { color: var(--text); background: var(--bg-soft); }
.docs-nav a.active { color: var(--accent); background: rgba(40, 111, 232, 0.09); }
.docs-nav a.active span { color: var(--orange); }

.docs-nav .nav-label {
  display: grid;
  gap: 2px;
  color: inherit;
  font-family: var(--body);
  line-height: 1.25;
}

.docs-nav .nav-label strong {
  color: inherit;
  font: 700 12px/1.25 var(--mono);
}

.docs-nav .nav-label small {
  color: var(--text-mute);
  font: 11px/1.25 var(--body);
}

.docs-nav a.active .nav-label,
.docs-nav a.active .nav-label strong { color: var(--accent); }

.docs-nav a.active .nav-label small { color: var(--text-dim); }

.docs-content {
  background-image: linear-gradient(rgba(40, 111, 232, 0.03) 1px, transparent 1px);
  background-size: 100% 64px;
  min-width: 0;
  padding: 0 clamp(30px, 6vw, 96px);
}

.doc-section {
  position: relative;
  padding: 52px 0 72px;
  border-bottom: 1px solid var(--border-soft);
  scroll-margin-top: 80px;
  max-width: 1040px;
}

.doc-index {
  position: absolute;
  top: 68px; left: -30px;
  font: 700 11px/1 var(--mono);
  color: var(--text-mute);
}

.kicker {
  font: 700 10px/1.3 var(--mono);
  letter-spacing: 0.17em;
  text-transform: uppercase;
  color: var(--accent-dim);
}

.doc-section h1,
.doc-section h2 {
  margin: 12px 0 8px;
  font: 730 clamp(28px, 3.5vw, 42px)/1.1 var(--display);
  letter-spacing: -0.03em;
}

.command-doc h1 code,
.command-doc h2 code {
  color: var(--text);
  font: inherit;
}

.command-syntax {
  display: flex;
  align-items: center;
  gap: 16px;
  position: relative;
  min-height: 64px;
  margin-bottom: 26px;
  padding: 18px 92px 18px 20px;
  border: 1px solid #34455f;
  border-radius: 10px;
  background: var(--terminal);
}

.command-syntax-card {
  width: 100%;
  margin: 4px 0 0;
  padding-right: 100px;
}

.command-syntax code {
  flex: 1;
  min-width: 0;
  color: var(--terminal-text);
  font: 13px/1.5 var(--mono);
  white-space: nowrap;
  overflow-x: auto;
}

.command-syntax-card code {
  overflow: visible;
  white-space: normal;
  overflow-wrap: anywhere;
}

.no-options {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 18px;
  align-items: start;
  padding: 16px 18px;
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  background: #ffffff;
  color: var(--text-dim);
  font-size: 13px;
}

.no-options strong {
  color: var(--text);
  font-size: 12px;
}

.no-options code {
  color: var(--accent);
  font-size: 12px;
}

.terminal-state-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.terminal-state-grid figure {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--terminal-deep);
}

.terminal-state-grid img {
  display: block;
  width: 100%;
  height: auto;
}

.terminal-state-grid figcaption {
  padding: 10px 14px;
  border-top: 1px solid #26364c;
  color: var(--terminal-dim);
  font: 12px/1 var(--mono);
}

.language-summary {
  border-top: 1px solid var(--border);
}

.language-summary div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-soft);
}

.language-summary strong {
  color: var(--text);
  font-size: 12px;
}

.language-summary span {
  color: var(--text-dim);
  font-size: 13px;
}

.language-summary code {
  color: var(--accent);
  font-size: 12px;
}

.language-codes {
  margin-top: 14px;
  padding: 16px 18px;
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  background: #ffffff;
}

.language-codes code {
  color: var(--text-dim);
  font-size: 12px;
  line-height: 1.8;
  white-space: normal;
}

.help-row {
  background: linear-gradient(90deg, rgba(40, 111, 232, 0.08), transparent 70%);
}

.compact-table .opt-row {
  grid-template-columns: minmax(220px, 1fr) 1.8fr;
}

.doc-lead {
  color: var(--text-dim);
  font-size: 15px;
  margin-bottom: 32px;
  max-width: 720px;
}

.doc-lead code,
.doc-note code,
.tutorial-step p code {
  color: var(--accent);
  font-size: 12px;
  background: var(--bg-soft);
  padding: 2px 6px;
  border-radius: 4px;
}

/* 指令表 */

.cmd-table, .opt-table {
  border-top: 1px solid var(--border);
}

.cmd-row, .opt-row {
  display: grid;
  align-items: center;
  min-height: 52px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-soft);
}

.cmd-row { grid-template-columns: 1.4fr 1.5fr 0.5fr; gap: 24px; }
.opt-row { grid-template-columns: 1.1fr 1.5fr 0.4fr; gap: 24px; }
.opt-row.opt-head { grid-template-columns: 1.1fr 1.5fr 0.4fr; }

.cmd-head, .opt-head {
  min-height: 36px;
  color: var(--text-mute);
  font: 700 9px/1 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.cmd-row code, .opt-row code {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
}

.cmd-row span, .opt-row span {
  color: var(--text-dim);
  font-size: 13px;
}

.tag {
  justify-self: start;
  border: 1px solid var(--border);
  padding: 4px 8px;
  border-radius: 4px;
  font: 700 9px/1 var(--mono) !important;
  color: var(--text-mute) !important;
}

.dim { color: var(--text-mute) !important; font: 12px/1 var(--mono) !important; }

/* 返回格式 */

.output-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 36px;
}

.output-card {
  --text: var(--terminal-text);
  --text-dim: var(--terminal-dim);
  --border: #34455f;
  --border-soft: #2b3b51;
  background: var(--terminal);
  border: 1px solid #34455f;
  border-radius: 10px;
  overflow: hidden;
}

.output-header {
  display: flex;
  justify-content: space-between;
  padding: 11px 16px;
  border-bottom: 1px solid var(--border-soft);
  font: 700 9px/1 var(--mono);
  letter-spacing: 0.13em;
}

.success-card .output-header b { color: var(--accent); }
.error-card .output-header b { color: var(--orange); }

.output-card pre {
  margin: 0;
  padding: 20px;
  color: var(--terminal-dim);
  font-size: 11px;
  line-height: 1.75;
  overflow-x: auto;
}

/* 教程 */

.sub-h {
  margin: 40px 0 16px;
  font: 700 16px/1 var(--display);
  color: var(--text);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-soft);
}

.tutorial-step {
  margin-bottom: 36px;
  padding-left: 50px;
  position: relative;
}

.step-num {
  position: absolute;
  left: 0; top: 2px;
  width: 32px; height: 32px;
  display: grid;
  place-items: center;
  background: var(--accent-glow);
  border: 1px solid var(--accent-dim);
  border-radius: 8px;
  color: var(--accent);
  font: 800 12px/1 var(--mono);
}

.tutorial-step h3 {
  font: 700 18px/1.2 var(--display);
  margin-bottom: 6px;
}

.tutorial-step p {
  color: var(--text-dim);
  font-size: 14px;
  margin-bottom: 14px;
}

.cmd-block {
  --text: var(--terminal-text);
  --text-dim: var(--terminal-dim);
  display: flex;
  align-items: center;
  gap: 10px;
  position: relative;
  min-height: 70px;
  padding: 22px 92px 22px 20px;
  background: var(--terminal);
  border: 1px solid #34455f;
  border-radius: 10px;
}

.cmd-block code {
  flex: 1;
  font: 13px/1.4 var(--mono);
  color: var(--terminal-text);
  overflow-x: auto;
  white-space: nowrap;
}

.cmd-block .copy-btn,
.command-syntax .copy-btn,
.skill-agent-prompt .copy-btn {
  position: absolute;
  top: 12px;
  right: 12px;
}

.doc-note {
  margin-top: 8px;
  color: var(--text-mute);
  font-size: 12px;
}

/* ===== Skills 独立页 ===== */

.skills-main { background: transparent; }

.skills-main { padding-top: 56px; }

.skills-hero {
  position: relative;
  min-height: 560px;
  padding: 92px max(5vw, 32px) 80px;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  overflow: hidden;
  border-bottom: 1px solid var(--border-soft);
}

.skills-hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 820px;
}

.skill-eyebrow {
  display: inline-flex;
  padding: 7px 11px;
  border: 1px solid rgba(40, 111, 232, 0.2);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--accent);
  font: 750 10px/1 var(--mono);
  letter-spacing: 0.12em;
}

.skills-hero h1 {
  margin: 24px 0 20px;
  color: var(--text);
  font: 780 clamp(42px, 5.7vw, 74px)/1.02 var(--display);
  letter-spacing: -0.045em;
}

.skills-hero h1 em { color: var(--accent); font-style: normal; }

.skills-hero-inner > p {
  max-width: 560px;
  color: var(--text-dim);
  font-size: clamp(15px, 1.5vw, 18px);
}

.skill-install-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  width: 100%;
  max-width: 720px;
  margin-top: 36px;
}

.skill-quick-start {
  display: grid;
  gap: 5px;
  text-align: center;
}

.skill-quick-start strong {
  color: var(--text);
  font: 750 19px/1.2 var(--display);
  letter-spacing: -0.01em;
}

.skill-quick-start p {
  color: var(--text-dim);
  font-size: 14px;
}

.skill-agent-prompt {
  position: relative;
  display: flex;
  align-items: center;
  gap: 11px;
  width: 100%;
  min-height: 64px;
  padding: 13px 92px 13px 17px;
  border: 1px solid rgba(78, 139, 236, 0.38);
  border-radius: 12px;
  background: linear-gradient(135deg, #101c2c, #14243a);
  box-shadow: 0 16px 38px rgba(25, 42, 70, 0.16);
}

.skill-agent-prompt > p {
  flex: 1;
  min-width: 0;
  overflow: visible;
  color: var(--terminal-dim);
  font: 12px/1.7 var(--mono);
  text-align: left;
  white-space: normal;
  overflow-wrap: anywhere;
}

.skill-agent-prompt > p code {
  color: #ffffff;
  font: 700 12px/1.7 var(--mono);
}

.skills-actions { display: flex; align-items: center; gap: 22px; margin-top: 17px; }

.download-skill {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 14px;
  min-width: 280px;
  padding: 14px 22px 14px 18px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent) 0%, #4c8af0 100%);
  color: #fff;
  box-shadow: 0 14px 34px rgba(40, 111, 232, 0.28), inset 0 1px 0 rgba(255,255,255,0.14);
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.download-skill:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 46px rgba(40, 111, 232, 0.36), inset 0 1px 0 rgba(255,255,255,0.18);
  filter: brightness(1.04);
}

.download-skill:active { transform: translateY(0); }

.download-icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.18);
  font: 500 22px/1 var(--mono);
  backdrop-filter: blur(4px);
}

.download-text { text-align: left; }
.download-skill strong { display: block; font: 700 15px/1.2 var(--body); }
.download-skill small { display: block; margin-top: 3px; opacity: 0.82; font: 500 11px/1.2 var(--body); }
.download-skill-inline { width: 100%; min-width: 0; margin-top: auto; }
.ghost-link { margin-top: 20px; color: var(--accent); font-size: 13px; font-weight: 700; }

.skill-preview {
  position: relative;
  z-index: 2;
  border: 1px solid #34455f;
  border-radius: 14px;
  overflow: hidden;
  background: var(--terminal);
  box-shadow: 0 32px 76px rgba(25, 42, 70, 0.25);
  transform: rotate(1.2deg);
}

.skill-preview-head {
  display: flex;
  justify-content: space-between;
  padding: 15px 18px;
  border-bottom: 1px solid #2a3a50;
  color: var(--terminal-dim);
  font: 11px/1 var(--mono);
}

.skill-preview-head b { color: var(--lime); }
.skill-preview-body { padding: 24px 22px; }

.preview-row {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  align-items: center;
  gap: 12px;
  color: var(--terminal-dim);
  font: 12px/1.3 var(--mono);
}

.preview-row i { color: #637790; font-style: normal; }
.preview-row b { color: #6f8299; font-size: 9px; text-transform: uppercase; }
.preview-row.active span, .preview-row.active b { color: var(--lime); }
.preview-line { width: 1px; height: 23px; margin: 5px 0 5px 16px; background: #34455f; }

.skill-orbit { position: absolute; border: 1px solid rgba(40, 111, 232, 0.1); border-radius: 50%; }
.skill-orbit-one { width: 500px; height: 500px; right: -180px; top: -220px; }
.skill-orbit-two { width: 300px; height: 300px; right: -70px; top: -110px; }

.skills-section { max-width: 1240px; margin: 0 auto; padding: 90px max(5vw, 30px); }
.section-heading { max-width: 760px; }
.section-heading h2 { margin: 10px 0 12px; font: 750 clamp(30px, 4vw, 46px)/1 var(--display); letter-spacing: -0.035em; }
.section-heading > p { color: var(--text-dim); font-size: 15px; }

.mode-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 42px; }

.mode-card {
  position: relative;
  padding: 26px;
  border: 1px solid var(--border);
  border-radius: 13px;
  background: #fff;
  box-shadow: 0 12px 32px rgba(40, 58, 90, 0.06);
}

.mode-card.recommended { border-color: rgba(40, 111, 232, 0.55); box-shadow: 0 15px 38px rgba(40, 111, 232, 0.11); }
.mode-card.cli-card { background: linear-gradient(145deg, #101c2c, #14243a); border-color: #34455f; }
.mode-top { display: flex; align-items: center; justify-content: space-between; }
.mode-top b { color: var(--text-mute); font: 700 9px/1 var(--mono); letter-spacing: 0.1em; }
.recommended .mode-top b { color: var(--accent); }
.mode-symbol { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 9px; background: var(--accent-glow); color: var(--accent); font: 800 12px/1 var(--mono); }
.cli-card .mode-symbol { background: var(--lime); color: #10203c; }
.mode-card h3 { margin: 22px 0 9px; font: 750 22px/1 var(--display); }
.mode-card > p { min-height: 68px; color: var(--text-dim); font-size: 13px; }
.mode-card code { color: var(--accent); font-size: 11px; }
.mode-card ul { margin: 20px 0 0; padding: 17px 0 0; border-top: 1px solid var(--border-soft); list-style: none; }
.mode-card li { position: relative; padding: 5px 0 5px 17px; color: var(--text-dim); font-size: 12px; }
.mode-card li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 800; }
.cli-card h3 { color: var(--terminal-text); }
.cli-card > p, .cli-card li { color: var(--terminal-dim); }
.cli-card ul { border-color: #34455f; }
.cli-card li::before { color: var(--lime); }

.shared-history { display: flex; align-items: center; gap: 18px; margin-top: 20px; padding: 20px 24px; border: 1px solid rgba(168, 239, 53, 0.42); border-radius: 11px; background: rgba(168, 239, 53, 0.09); }
.history-mark { display: grid; place-items: center; flex: 0 0 38px; height: 38px; border-radius: 50%; background: var(--lime); color: #10203c; font: 800 21px/1 var(--mono); }
.shared-history strong { font-size: 14px; }
.shared-history p { margin-top: 3px; color: var(--text-dim); font-size: 13px; }
.shared-history code { color: var(--accent); font-size: 11px; }
.mode-retention { margin-top: 12px; color: var(--text-mute); font-size: 12px; text-align: center; }

.install-section { border-top: 1px solid var(--border-soft); }
.install-skill-grid { display: flex; flex-direction: column; gap: 18px; margin-top: 40px; }

.install-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  min-width: 0;
}

.install-option-card,
.install-next-step {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 13px;
  background: #fff;
  box-shadow: 0 12px 32px rgba(40, 58, 90, 0.06);
  min-width: 0;
  width: 100%;
}

.install-option-card h3,
.install-next-step h3 {
  font: 750 19px/1 var(--display);
  color: var(--text);
}

.install-option-card > p,
.install-next-step > p {
  flex: 1;
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.55;
}

.install-option-card > code {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 11px 13px;
  border-radius: 8px;
  background: var(--terminal-deep);
  color: var(--terminal-text);
  font: 11px/1.5 var(--mono);
  overflow-wrap: anywhere;
}

.install-option-tag {
  display: inline-flex;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--accent-glow);
  color: var(--accent);
  font: 800 10px/1 var(--mono);
  letter-spacing: 0.05em;
}

.install-next-step {
  border-color: rgba(168, 239, 53, 0.5);
  background: rgba(168, 239, 53, 0.08);
}

.next-tag { background: rgba(168, 239, 53, 0.35); color: #3f5a12; }

.skill-structure { max-width: 720px; margin: 16px auto 0; width: 100%; }
.skill-structure h3 { margin-bottom: 13px; color: var(--text); font: 750 15px/1 var(--display); text-align: center; }
.skill-tree { padding: 28px; border: 1px solid #34455f; border-radius: 12px; background: var(--terminal); color: var(--terminal-text); font-size: 12px; line-height: 1.8; overflow-x: auto; box-shadow: 0 20px 50px rgba(25, 42, 70, 0.16); }
.skill-security { margin-top: 34px; padding: 16px 18px; border-left: 3px solid var(--orange); background: #fff; color: var(--text-dim); font-size: 12px; }
.skill-security code { color: var(--accent); font-size: 11px; }

/* ===== 页脚 ===== */

.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 4vw;
  border-top: 1px solid var(--border-soft);
  background: #ffffff;
}

.site-footer a {
  color: var(--accent);
  font: 700 13px/1 var(--mono);
}

.site-footer p {
  color: var(--text-mute);
  font-size: 12px;
}

/* ===== Toast ===== */

.toast {
  position: fixed;
  top: 76px;
  left: 50%;
  min-width: 104px;
  padding: 12px 18px 12px 38px;
  background: var(--accent);
  color: #ffffff;
  font: 700 13px/1 var(--body);
  border-radius: 8px;
  transform: translate(-50%, -16px) scale(0.96);
  opacity: 0;
  transition: opacity 0.18s ease, transform 0.18s ease;
  pointer-events: none;
  z-index: 200;
  box-shadow: 0 12px 30px rgba(40, 111, 232, 0.26);
}

.home-page .site-footer { display: none; }

.toast::before {
  content: "✓";
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
}

.toast.visible {
  transform: translate(-50%, 0) scale(1);
  opacity: 1;
}

/* ===== 响应式 ===== */

@media (max-width: 900px) {
  .skills-hero { padding: 78px 24px 64px; }
  .install-options { grid-template-columns: 1fr; }
  .mode-grid { grid-template-columns: 1fr; }
  .mode-card > p { min-height: 0; }
  .docs-layout {
    grid-template-columns: 1fr;
    margin-top: 50px;
    min-height: calc(100vh - 50px);
  }
  .docs-nav {
    position: sticky;
    top: 50px;
    height: auto;
    padding: 12px 16px;
    display: flex;
    gap: 18px;
    overflow-x: auto;
    scrollbar-width: none;
    border-right: 0;
    border-bottom: 1px solid var(--border-soft);
  }
  .docs-nav::-webkit-scrollbar { display: none; }
  .docs-content { padding: 0; }
  .docs-nav-title { display: none; }
  .docs-nav-group { display: none; }
  .docs-boundary { display: none; }
  .docs-nav a { flex: 0 0 auto; border: 0; font-size: 12px; padding: 6px 0; }
  .docs-nav a > span:first-child,
  .docs-nav .nav-label small { display: none; }
  .docs-nav a { display: block; }
  .doc-section { padding: 48px 24px; }
  .doc-index { display: none; }
  .output-grid { grid-template-columns: 1fr; }
  .terminal-state-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .topbar { padding: 0 16px; height: 50px; }
  .topnav a { padding: 6px 9px; font-size: 12px; }
  .topnav-github { display: none; }
  .skills-hero { min-height: auto; padding: 62px 18px 48px; }
  .skills-hero h1 { font-size: 38px; }
  .skill-install-center { width: 100%; }
  .skill-agent-prompt { align-items: flex-start; min-height: 58px; padding: 12px 84px 12px 14px; }
  .skill-agent-prompt .copy-btn { top: 10px; right: 10px; height: 30px; padding: 0 12px; font-size: 11px; }
  .command-syntax code { white-space: normal; overflow-wrap: anywhere; }
  .download-skill { min-width: 0; width: 100%; }
  .ghost-link { text-align: center; }
  .skills-section { padding: 52px 18px; }
  .install-option-card,
  .install-next-step { padding: 18px; }
  .skill-tree { padding: 20px; font-size: 11px; }
  .shared-history { align-items: flex-start; }
  .home-main { padding: 50px 16px 32px; }
  .hero-copy { padding: 40px 0 36px; }
  .term-body { padding: 18px 16px; font-size: 12px; min-height: 180px; }
  .installer-card { padding: 18px; }
  .cmd-row, .opt-row { grid-template-columns: 1fr; gap: 4px; }
  .cmd-head, .opt-head { display: none; }
  .tutorial-step { padding-left: 42px; }
  .no-options { grid-template-columns: 1fr; gap: 5px; }
  .language-summary div { grid-template-columns: 1fr; gap: 4px; }
  .site-footer { flex-direction: column; gap: 10px; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}